Device tree aware platforms can make use of CMDLINE_EXTEND to extend the
kernel command line provided by the bootloader. This is particularly
useful to set parameters for built-in modules that would otherwise be
done at module insertion. Add support for this in the powerpc
architecture.
Signed-off-by: Chris Packham <chris.pack...@alliedtelesis.co.nz>
---
arch/powerpc/Kconfig | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index d8dcd8820369..cd9b3974aa36 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -851,6 +851,11 @@ config CMDLINE
some command-line options at build time by entering them here. In
most cases you will need to specify the root device here.
+choice
+ prompt "Kernel command line type" if CMDLINE != ""
+ default CMDLINE_FORCE
+ depends on CMDLINE_BOOL
+
config CMDLINE_FORCE
bool "Always use the default kernel command string"
depends on CMDLINE_BOOL
@@ -860,6 +865,13 @@ config CMDLINE_FORCE
This is useful if you cannot or don't want to change the
command-line options your boot loader passes to the kernel.
+config CMDLINE_EXTEND
+ bool "Extend bootloader kernel arguments"
+ help
+ The command-line arguments provided by the boot loader will be
+ appended to the default kernel command string.
+endchoice
+
config EXTRA_TARGETS
string "Additional default image types"
help
--
2.22.0
